Because you like Tommy Pickles in Rugrats
Rainbow Dash's interests include flying, playing pranks, and generally being themost awesome pony around. See them in My Little Pony.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.
A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.
General of the formidable Dora Milaje, Okoye is forced to make the difficult choice of staying loyal by the king’s side, or to her good friend who was overthrown. See them in Marvel Cinematic Universe.
Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.
You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.
Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.
Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.